import csv

csvfile=open("5.csv","r")
reader=csv.reader(csvfile)

licenseNum=1
time=2
jing=3
wei=4
isEmpty=8

x0=113.821676
y0=22.627641
r2=(x0-113.816502)**2+(y0-22.625773)**2

def getDist(x,y):
    return (x-x0)**2+(y-y0)**2

def inRegion(x,y):
    return getDist(x,y)<=r2
